Finding the Fourth Proportional to 144,399.12, 199,190.76 and 83,963.10

Step by Step Solution

1. Step 1: Write the proportion equation
   144,399.12 : 199,190.76 = 83,963.10 : x
2. Step 2: Convert to fraction form
   144,399.12/199,190.76 = 83,963.10/x
3. Step 3: Cross multiply
   144,399.12x = 199,190.76 × 83,963.10
4. Step 4: Simplify right side
   144,399.12x = 16,724,673,700.96
5. Step 5: Solve for x
   x = 16,724,673,700.96/144,399.12
6. Step 6: Final answer
   x = 115,822.55